@article{05138314,
title = {Sequences of generalized happy numbers with small bases.},
journal = {Journal of Integer Sequences [electronic only]},
volume = {10},
year = {2007},
zbl = {1115.11009},
language = {en},
url = {http://dml.mathdoc.fr/item/05138314}
}
Grundman, H.G.; Teeple, E.A. Sequences of generalized happy numbers with small bases.. Journal of Integer Sequences [electronic only], Tome 10 (2007) . http://gdmltest.u-ga.fr/item/05138314/